std::swap(std::promise) (3) - Linux Manuals

std::swap(std::promise): std::swap(std::promise)

NAME

std::swap(std::promise) - std::swap(std::promise)

Synopsis


Defined in header <future>
template< class R > (since C++11)
void swap( promise<R> &lhs, promise<R> &rhs ) noexcept;


Specializes the std::swap algorithm for std::promise. Exchanges the shared state of lhs with that of rhs. Effectively calls lhs.swap(rhs).

Parameters


lhs, rhs - promises whose states to swap

Return value


(none)

Example


 This section is incomplete
 Reason: no example

See also


     swaps two promise objects
swap (public member function)